Abstract: A method for manufacturing liquid discharge heads is provided with discharge ports for discharging liquid, liquid flow paths communicated with the discharge ports for supplying liquid to the discharge ports, a substrate having heat generating members for creating bubbles in liquid, and movable members facing the heat generating members, each being arranged in each liquid flow path, having the free end on the discharge port side with a specific gap with the heat generating member. This method comprises the steps of forming the boundary layer used for providing a gap between the movable member and the substrate above the heat generating member on the substrate, of laminating the movable member on the boundary layer so as to position the free end above the heat generating member, at the same time fixing the movable member on the substrate, and of forming the gap between the movable member and the heat generating member by use of the boundary layer.

Abstract: The substrate for use of an ink jet recording head is provided with a plurality of heat generating resistive members and the electrode wiring pattern electrically connected with the heat generating resistive members formed on the substrate, and a protection film formed on the heat generating resistive members and the electrode wiring pattern to protect them from ink. For this substrate, each of the heat generating resistive members comprises a first heat generating resistive member arranged on the lower layer of the electrode wiring pattern connected with the heat generating resistive member, and a second heat generating resistive member arranged between the protection film and the electrode wiring pattern. With the structure thus arranged, it becomes possible to make the protection film on the upper layer thinner, and attempt the power saving.

Abstract: A liquid discharging head comprises a discharging port for discharging liquid, a liquid flow path communicated with said discharging port, a bubble generating region for causing the liquid to generate a bubble and a movable member having provided thereon a free end disposed facing to said bubble generating region, and on the downstream of said liquid flow path directed toward said discharging port. At least when said movable member is in stationary state, a side of said liquid flow path corresponding to said bubble generating region is substantially composed of all with a wall face and common communicating space for commonly communicating said liquid flow path with a neighboring liquid flow path is provided in the upward of a movable section of said movable member.

Abstract: The present invention provides a method for manufacturing a liquid discharge head comprising a top plate including a plurality of ink discharge ports for discharging ink droplet, a plurality of first liquid passages for supplying ink in correspondence to the plurality of ink discharge ports and a common liquid chamber for supplying the ink to the first liquid passages, a liquid discharge head substrate obtained by forming second liquid passages arranged adjacent to the first liquid passages and including bubble generating areas on a substrate on which a plurality of heat generating elements for causing the ink discharge port to discharge the ink droplets and including drivers for driving the heat generating elements, and a movable diaphragm for completely isolating the first liquid passages and the second liquid passages from each other and displaceable by a bubble generated on the heat generating element, wherein the method comprises a movable diaphragm forming step for providing the movable diaphragm in suc

Abstract: A liquid discharge head comprises a discharge port for discharging liquid as a droplet; liquid flow paths communicated with the discharge port, being provided with heat generating members for generating bubbles by providing thermal energy for liquid; and a common liquid chamber for retaining liquid to be supplied to the liquid flow paths.

Abstract: A lithium secondary battery has high capacity and excellent current characteristics. The lithium battery comprises of a positive electrode, a negative electrode and an electrolyte; a least one of the electrodes contains ceramics particles such as Al2O3 irresponsible for the charge ad discharge reactions of the battery. The presence of the ceramics particles in the electrode leads to a decrease in the internal resistance of the battery because of the enhancement of ion conductivity in the electrode, resulting in higher capacity at high rate discharge of the lithium secondary battery.

Abstract: The invention discloses a method for the preparation of an organopolysiloxane having a branched molecular structure which comprises the steps of:

Abstract: Disclosed is a polymer electrolyte battery affording a high capacity density in which a layer of electrode active material mixture containing a polymer has an adequately regulated porosity and/or polymer content. The battery includes a unitary laminated battery sheet composed of a negative electrode combined with positive electrodes, with a porous polymer separator being placed on both surfaces of the negative electrode. Each of the electrodes comprises a current collector and a layer of active material mixture disposed on both surfaces of the current collector, and the polymer is capable of absorbing and retaining nonaqueous electrolyte. The separator and the layer of electrode active material mixture have a porosity of 30 to 60%. Preferable polymer contents in the layer of active material mixture are in a range of 5 to 10 wt % for the positive electrode and in a range of 7 to 16 wt % for the negative electrode.

Abstract: A method for manufacturing ink jet recording heads includes the steps of forming a film of a first inorganic material in the form of ink flow path pattern using a soluble first inorganic material on the substrate having ink-discharge, pressure-generating elements formed thereon, forming a film of a second inorganic material becoming ink flow walls on the film of the first inorganic material using the second inorganic material, forming ink-discharge openings on the film of the second inorganic material above the ink-discharge, pressure-generating elements, and eluting the film of the first inorganic material.

Abstract: A primer composition comprising (A) a diorganopolysiloxane having an average degree of polymerization of 500-2,000 and alkenyl groups at both ends of its molecular chain in an amount of 0.001-0.005 mol per 100 g of the diorganopolysiloxane, (B) an organohydrogenpolysiloxane having at least two SiH groups in a molecule, (C) a platinum base curing catalyst, and (D) a retarder is effective for improving the adhesion between various plastic films and silicone pressure-sensitive adhesives and thus forming satisfactory pressure-sensitive adhesive tapes.

Abstract: A reproducing apparatus for reproducing signals from a record bearing medium on which a video signal or some other signal is recorded in a plurality of blocks is provided with discriminating unit for determining at least whether the signal recorded in each of the blocks is a video signal or some other signal; storing unit for storing the result of discrimination made by the discriminating unit; reproducing unit for selectively reproducing the records of the blocks on the basis of information obtained from the storing unit; and display unit arranged such that, if a signal recorded in a block currently accessed for reproduction is found to be not the video signal, this finding is displayed on a monitor.

Abstract: A liquid ejection head having a plurality of ejection outlets for ejecting liquid; a first substrate and a second substrate for constituting a plurality of liquid flow paths in fluid communication with the ejection outlets, respectively when combined with each other; a plurality of energy conversion elements disposed in the liquid flow paths, respectively to convert electrical energy to ejection energy for the liquid in the liquid flow paths; a plurality of elements or electric circuits having different functions for controlling driving conditions of the energy conversion elements; wherein the elements and electric circuits are provided either on the first substrate or the second substrate, depending on their functions.

Abstract: A substrate having plural recording elements and electrical leads for supplying electric signals to the recording elements includes electrical contacts for external electrical connection for reception of image signals used for driving the recording elements; and a processing circuit for converting signals which are serially supplied to the connecting contact to parallel signals to be applied to the recording elements.

Abstract: A method of producing an ink jet head valve for an ink jet head having a discharge port for discharging ink, an ink flow path communicated with said discharge port and an electrothermal converting member used as an energy generating means for discharging ink into said ink flow path, comprises the step of producing said ink jet head valve by a metal CVD process.

Abstract: A printhead compatible with various printers, e.g. a printer having low print density or a printer having high print density, enables printing in the best capability of the printer. The printhead comprises: a determination circuit 24 which determines a type of a printer incorporating the printhead, and switches SW1 and SW2 which select a method of driving the printhead according to in the printer, on the basis of the determination result by the determination circuit 24. When the printhead is installed in the printer capable of printing at 360 dpi, four print dots printed at 720 dpi substantially express one dot printed at 360 dpi. Meanwhile, when the printhead is installed in the printer capable of printing at 720 dpi, one print dot expresses one dot printed at 720 dpi.

Abstract: An apparatus and method for producing expanded mesh sheets provides for forming fine slits in a metal sheet at a slit section by plate cutters, but excluding portions in a center and both sides in a widthwise direction of the metal sheet. The areas where the slits have been formed are drawn out at an expanding section thereby opening the slits and obtaining a mesh sheet which has solid portions in the central portion and on both sides. The mesh sheet is flattened at a rolling device to obtain the expanded mesh sheet. An electrode sheet is prepared by applying an active material onto mesh portions of the expanded mesh sheet, and collectors for a battery are cut out from the electrode sheet such that lead connecting portions thereof are located at the solid portion of the mesh sheet where there are no openings.

Abstract: A liquid discharging head has at least a discharge port for discharging liquid therefrom, a liquid flow path communicating with the discharge port to supply the liquid to the discharge port, a substrate provided with a heating member for creating a bubble in the liquid filling the liquid flow path, and a movable member having a movable portion having its free end at the discharge port side and provided at a location facing the heating member of the substrate with a gap with respect to the substrate, a supported and fixed portion supported on and fixed to the substrate, and a supporting portion provided near the supported and fixed portion of the movable portion. The free end of the movable member is displaced toward the discharge port side about the fulcrum portion of the movable member by pressure produced by the bubble being created to thereby discharge the liquid from the discharge port.

Abstract: A gelled polymer electrolyte having a high mechanical strength and a high ion conductivity and a lithium polymer battery using the same electrolyte are disclosed. The gelled polymer electrolyte comprises a polymer alloy and an organic electrolyte solution, wherein the polymer alloy includes a polymer which is hardly soluble in the organic electrolyte solution and another polymer which is soluble in the organic electrolyte solution. The lithium polymer battery comprises a negative electrode including metallic lithium, a lithium alloy, carbon or an inorganic compound, and a positive electrode including an active material of a metal oxide capable of intercalating and deintercalating lithium in a reversible manner, such as LiCoO.sub.2, LiNiO.sub.2 or the like, and the gelled polymer electrolyte placed between both electrodes.

Abstract: A lamination apparatus having an upper platen and a lower platen that open and close to define a lamination chamber therebetween, an electric heater to melt a resin layer of the material to be laminate-molded, a film body provided on the surface of the lower platen, a smooth pressurizing surface formed on the surface of the upper platen, a frame which forms a wall of the lamination chamber in which the material to be laminate-molded is shaped by being clamped between the opposing surfaces of the upper platen and the lower platen, a suction device to depressurize the lamination chamber, a deformable pressurizing plate resiliently interposed between the film body and the material to be laminate-molded and a contact pressurizing mechanism which cause the film body to maintain contact with the surface of the lower platen and separate therefrom to pressurize the material to be laminate-molded through the pressurizing plate pressing against the pressurizing surface of the upper platen.

Abstract: In accordance with the present invention, there is provided a liquid discharge head comprising a discharge port for discharging liquid, a liquid flow path provided with a bubble generation means for generating bubbles in liquid and communicated with the discharge port, and a movable member provided facing said bubble generation means in said liquid flow path and having a free end on a downstream side toward the discharge port, a first surface provided with the bubble generation means being continued to at least one second surface of the side wall surface of said liquid flow path and the front end surface having the opening of the discharge port with a curved surface, the first surface being one of surfaces forming the liquid flow path.